久久无码人妻一区二区三区午夜_久久久久精品久久久久影院蜜桃_亚洲综合欧美色五月俺也去_交换娇妻呻吟声不停中文字幕

EA3000預裝石英反應管

E12509 SA999940 Transparent Quartz Tube, 450/18/6 mm 2  空石英反應管

E12531 SA25204510 Transparent Quartz Insert, 210/13 mm 1    石英襯管

E10514 SA990716 Quartz wool, 4 um   5g   石英棉

E10160 SA990630 Silvered cobaltous oxide, Granulate 8-30 mesh 25g 鍍銀氧化鈷

E10101 SA990610B Chromium (III)-oxide, Granulate 8-30 mesh   50g 三氧化二鉻

E10130 SA99060204 Reduced Copper, Wire, diam. 0,7mm, (for sulfur analysis), Ampoule  40g  還原銅絲 （S的分析）

E10121 SA99060102 Reduced Copper, Wire, diam. 0,7mm, Ampoule  100g還原銅絲

E12001 SA76980502 Tin capsules for solids, 3.3 x 5 mm 250      錫杯

E12005 SA76981101 Tin capsules for solids , 5 x 9 mm 100    壓制錫杯

E12055 SA76981105 Silver capsules for solids, 5 x 9 mm 100     銀杯

E13040 SA46830500B Prepacked Reactor for Eurovector, CHNS/CNS/S, Transparent Quartz Tube  450/18/6 mm   1  三氧化鎢，還原銅，EA3000預裝石英反應管

E11001 SA990744   Acetanilide Standard     1g  乙酰苯胺

E11008 SA990746   Atropine Standard   1g    阿托品

E11028 SA990750   Sulphanilamide Standard       1g      磺胺

E11037-A SAAR4016 Soil Standard, 2.24% C & 2.08% S   25g 土壤標樣

E13502 SA990740 Small trap tube for H2O with plug and septa, 120/12 mm 1  水阱

E13041 SA13041 Prepacked Reactor for Eurovector, CHN/CN/N, Transparent Quartz Tube  450/18/6 mm   單爐 鍍銀氧化鈷，三氧化二鉻，高純銅